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https://www.readbyqxmd.com/read/30007343/a-mediterranean-like-dietary-pattern-with-vitamin-d3-10-%C3%A2%C2%B5g-d-supplements-reduced-the-rate-of-bone-loss-in-older-europeans-with-osteoporosis-at-baseline-results-of-a-1-y-randomized-controlled-trial
#1
Amy Jennings, Kevin D Cashman, Rachel Gillings, Aedin Cassidy, Jonathan Tang, William Fraser, Kirsten G Dowling, George L J Hull, Agnes A M Berendsen, Lisette C P G M de Groot, Barbara Pietruszka, Elzbieta Wierzbicka, Rita Ostan, Alberto Bazzocchi, Giuseppe Battista, Elodie Caumon, Nathalie Meunier, Corinne Malpuech-Brugère, Claudio Franceschi, Aurelia Santoro, Susan J Fairweather-Tait
Background: The Mediterranean diet (MD) is widely recommended for the prevention of chronic disease, but evidence for a beneficial effect on bone health is lacking. Objective: The aim of this study was to examine the effect of a Mediterranean-like dietary pattern [NU-AGE (New Dietary Strategies Addressing the Specific Needs of the Elderly Population for Healthy Aging in Europe)] on indexes of inflammation with a number of secondary endpoints, including bone mineral density (BMD) and biomarkers of bone and collagen degradation in a 1-y multicenter randomized controlled trial (RCT; NU-AGE) in elderly Europeans...
July 11, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/30007314/effects-of-erythropoietin-on-fibroblast-growth-factor-23-in-mice-and-humans
#2
Mark R Hanudel, Michele F Eisenga, Maxime Rappaport, Kristine Chua, Bo Qiao, Grace Jung, Victoria Gabayan, Barbara Gales, Georgina Ramos, Maarten A de Jong, Jelmer J van Zanden, Martin H de Borst, Stephan J L Bakker, Elizabeta Nemeth, Isidro B Salusky, Carlo A J M Gaillard, Tomas Ganz
Background: Erythropoietin (EPO) has been reported as a novel determinant of fibroblast growth factor 23 (FGF23) production; however, it is unknown whether FGF23 is stimulated by chronic exposure to EPO or by EPO administration in nonpolycystic chronic kidney disease (CKD) models. Methods: We analyzed the effects of chronic EPO on FGF23 in murine models with chronically high EPO levels and normal kidney function. We studied the effects of exogenous EPO on FGF23 in wild-type mice, with and without CKD, injected with EPO...
July 10, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/30007267/link-between-estrogen-deficiency-osteoporosis-and-susceptibility-to-bone-metastases-a-way-towards-precision-medicine-in-cancer-patients
#3
REVIEW
F Salamanna, V Borsari, D Contartese, N Nicoli Aldini, M Fini
Different fields of cancer management consider bone health to be of increasing clinical importance for patients: 1) presence of bone metastases in many solid tumors, 2) use of bone-targeted treatments in the reduction of bone metastasis, 3) effects of cancer treatment on reproductive hormones, critical for normal bone remodeling maintenance. Additionally, bone microenvironment is further complicated by the decline of ovarian sex steroid production and by the related increase in inflammatory factors linked to menopause, which result in accelerated bone loss and increased risk of osteoporosis (OP)...
June 22, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/30007182/enhanced-bone-healing-in-porous-ti-implanted-rabbit-combining-bioactive-modification-and-mechanical-stimulation
#4
Yanni Zhang, Ying Chen, Hongchao Kou, Pengfei Yang, Yanen Wang, Tingli Lu
To improve the bone healing efficiency of porous titanium implants, desired biological properties of implants are mandatory, involving bioactivity, osteoconductivity, osteoinductivity and a stable environment. In this study, bare porous titanium (abbr. pTi) with the porosity of 70% was fabricated by vacuum diffusion bonding of titanium meshes. Hydroxyapatite-coated pTi (abbr. Hap-pTi) was obtained by successively subjecting pTi to alkali heat treatment, pre-calcification and simulated body fluid. Both pTi and Hap-pTi were respectively implanted into the tibia defect model (ϕ10 mm × 6 mm) in New Zealand white rabbits, then subjected to non-invasively axial compressive loads at high-magnitude low-frequency (HMLF), which were denoted as F-pTi and F-Hap-pTi, respectively...
June 28, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/30007174/dry-aging-improves-meat-quality-attributes-of-grass-fed-beef-loins
#5
Jordy Berger, Yuan H Brad Kim, Jerrad F Legako, Silvana Martini, Jiwon Lee, Paul Ebner, Stacy M Scramlin Zuelly
The objective of this study was to evaluate the effect of dry-aging on meat quality and microbiological properties of grass-fed beef loins. At 7 d postmortem, eighteen bone-in loins (M. longissimus lumborum) from 9 beef carcasses (USDA Select) were obtained. Each loin was cut in half yielding a total of 36 sections, which were assigned to three aging methods: wet-aging (WA); dry-aging (DA); and dry-aging in a water permeable bag (DW). DA resulted in greater shrink and trim loss compared to WA (P < 0...
July 4, 2018: Meat Science
https://www.readbyqxmd.com/read/30007055/porphyromonas-gingivalis-inhibits-m2-activation-of-macrophages-by-suppressing-%C3%AE-ketoglutarate-production-in-mice
#6
Shihui Yu, Luyang Ding, Dongyu Liang, Lijun Luo
Reprograming of metabolic pathways is critical in governing the polarization of macrophages into classical pro-inflammatory M1 or alternative anti-inflammatory M2 phenotypes in metabolic diseases, such as diabetes. Porphyromonas gingivalis (P. gingivalis), a keystone pathogen of periodontitis, causes an imbalance in M1/M2 activation, resulting in a hyper-inflammatory environment that promotes the pathogenesis of periodontitis. However, whether P. gingivalis infection modulates metabolic pathways to alter macrophage polarization remains unclear...
July 14, 2018: Molecular Oral Microbiology
https://www.readbyqxmd.com/read/30007039/clinico-radiographic-evaluation-of-1-alendronate-gel-as-an-adjunct-and-smart-blood-derivative-platelet-rich-fibrin-in-grade-ii-furcation-defects
#7
Ishita Wanikar, Surekha Rathod, Abhay P Kolte
BACKGROUND: The treatment of molar furcation involvement is unpredictable due to the complex anatomy and poor access for instrumentation. Previous studies have reported successful regeneration with endogenous regenerative material such as platelet rich fibrin (PRF) and bisphosphonates as alendronate (ALN). Hence, the present study was aimed to evaluate clinically and radiographically the efficacy of 1% ALN gel in combination with PRF (PRF+ALN) and PRF alone in the treatment of grade II furcation defects...
July 14, 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/30007008/prospective-investigation-of-applicability-and-the-prognostic-significance-of-bone-marrow-involvement-in-patients-with-neuroblastoma-detected-by-quantitative-reverse-transcription-pcr
#8
Alexander E Druy, Egor V Shorikov, Grigory A Tsaur, Alexander M Popov, Artem N Zaychikov, Sergey N Tuponogov, Leonid I Saveliev, Godelieve A M Tytgat, Larisa G Fechina
BACKGROUND: Detection of bone marrow (BM) involvement in patients with neuroblastoma is crucial for staging and defining prognosis. Furthermore, the persistence of residual tumor cells in the BM is associated with an unfavorable outcome. METHODS: Expression of PHOX2B, TH, ELAVL4, and B4GALNT1 (GD2-synthase) was analyzed by quantitative polymerase chain reaction in neuroblastoma cell lines, control BM samples, and in BM samples from patients. The threshold level of expression for each gene was established through receiver operator characteristic analysis and used to determine the diagnostic test performance...
July 14, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/30006885/monocytes-from-male-patients-with-ankylosing-spondylitis-display-decreased-osteoclastogenesis-and-decreased-rankl-opg-ratio
#9
V F Caparbo, C G S Saad, J C Moraes, A J de Brum-Fernandes, R M R Pereira
The present study investigates the osteoclastogenic capacity of peripheral blood mononuclear cells (PBMCs) in male patients with ankylosing spondylitis (AS). We demonstrated that monocytes from these patients display a lower capacity to generate osteoclasts compared to cells from healthy controls, and osteoclastogenesis was negatively correlated with disease duration. INTRODUCTION: Ankylosing spondylitis (AS) is a disease characterized by new bone growth that leads to syndesmophyte formation but AS patients frequently present with low bone mineral density/fractures...
July 13, 2018: Osteoporosis International
https://www.readbyqxmd.com/read/30006872/dynamics-of-changes-in-metabolic-and-hematological-parameters-after-transplantation-of-pancreatic-islet-cells-on-tini-scaffold-in-experimental-diabetes-mellitus
#10
O V Kokorev, V N Khodorenko, S G Anikeev, V E Gunter
The dynamics of the development of the pancreatic islet cells in the porous TiNi scaffold was studied by electron microscopy. Changes in the metabolism of glucose and glycosylated hemoglobin and parameters of the peripheral blood and bone marrow were shown after transplantation of pancreatic islet cells on porous permeable TiNi scaffold during alloxan-induced diabetes. The cells administered on the porous biocompatible scaffold produced more prolonged anti-diabetic effect and normalized hemopoiesis parameters in comparison with their intraperitoneal administration...
July 13, 2018: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/30006752/prognostic-value-of-68-ga-psma-i-t-pet-ct-suv-parameters-on-survival-outcome-in-advanced-prostat-cancer
#11
Halil Komek, Canan Can, Ugur Yilmaz, Serdar Altindag
OBJECTIVE: To determine the association of 68 Ga-PSMA-I&T PET/CT SUV parameters with survival outcome in advanced prostate cancer patients. METHODS: A total of 148 consecutive patients mean age: 69.3 ± 7.8 years with advanced prostate cancer who underwent 68 Ga-PSMA-I&T PET/CT were included in this retrospective study. Data on previous treatments, serum PSA levels (ng/mL), 68 Ga-PSMA-I&T PET/CT findings metastases as well as survival data were recorded...
July 13, 2018: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/30006692/the-spectrum-of-tuberculosis-of-the-spine-in-pediatric-age-group-a-review
#12
Sandip Chatterjee, Aditya Banta
INTRODUCTION: Pediatric spinal tuberculosis is characterized by rapid bone destruction and carries the risk of rapid onset neurological deficits and severe deformity of the spine. Behavior of spinal deformity over time is affected by growth of spine. Owing to this dynamic behavior of pediatric spinal tuberculosis both in active phase and in healed phase, it presents with challenges which are quite different from adults with caries spine. A clinician must have high index of suspicion for accurate and early diagnosis of spinal tuberculosis in the pediatric population and should also have a thorough knowledge of differences in natural history between adult and pediatric spinal tuberculosis...
July 13, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/30006674/baseline-18-f-fluorocholine-pet-ct-and-bone-scan-in-the-outcome-prediction-of-patients-treated-with-radium-223-dichloride
#13
A M García Vicente, B González García, M Amo-Salas, I García Carbonero, J Cassinello Espinosa, J L Gómez-Aldaraví Gutierrez, L Suarez Hinojosa, Á Soriano Castrejón
AIM: To establish the utility of baseline 18 F-Fluorocholine (FCH) PET/CT and bone scintigraphy (BS) in the outcome prediction of patients with castration-resistant prostate cancer and bone metastases (CRPC-BM) treated with 223 Ra. METHODS: Prospective, multicenter and non-randomized study (ChoPET-Rad study). FCH PET/CT and BS were performed before the initiation of 223 Ra (basal FCH PET/CT and BS). Bone disease was classified attending the number of lesions in baseline BS and PET/CT...
July 13, 2018: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/30006666/correlation-of-ct-imaging-and-histology-to-guide-bone-graft-selection-in-scaphoid-non-union-surgery
#14
Gernot Schmidle, Hannes Leonhard Ebner, Andrea Sabine Klauser, Josef Fritz, Rohit Arora, Markus Gabl
INTRODUCTION: For the treatment of scaphoid non-unions (SNU), different surgical techniques, including vascularized and non-vascularized bone grafts, are applied. Besides stability, vascularity, and the biological situation at the non-union site are important for healing and the appropriate choice of treatment. We assessed the healing potential of SNUs by histological parameters and compared it to CT parameters of bone structure and fracture location. Based on the results, we developed a CT classification and a treatment algorithm to impact graft selection in SNU surgery...
July 13, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/30006650/erdheim-chester-disease-diagnosed-by-99m-tc-mdp-bone-scintigraphy-and-brief-literature-review
#15
Özlem Şahin, Pembe Oltulu
Erdheim-Chester disease (ECD) is a rare non-Langerhans cell histiocytosis with lipid-laden macrophages and fibrosis. Although ECD is a multisystemic disease, the most common finding is sclerotic bone involvement in the diametaphyseal regions of bilateral distal femur and in proximal and distal tibia. We present a 40 years old woman who for the last two years had various systemic symptoms, especially knee pain, polyuria and polydipsia. Although a "hot knee" pattern was seen in bone scintigraphy (BS), a femur biopsy was performed, due to the preliminary diagnosis of haematologic malignancy...
July 12, 2018: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/30006649/bone-scan-findings-in-erythromelalgia
#16
Inneke Willekens, Stefaan J Vandecasteele, Kristof Verhoeven, Frank De Geeter
Erythromelalgia is a rare condition characterized by attacks of intensely painful, red and warm feet and/or hands. Symptoms typically are triggered by heat and relieved by cooling of the extremities. Primary cases are due to mutations in the gene for a sodium channel expressed in nociceptive and sympathetic ganglion neurons; secondary causes include blood disorders, infections, drugs, connective tissue diseases, neuropathic diseases, including diabetic neuropathy, and malignancies. We present bone scan findings in a case of erythromelalgia in an 18 years old student, in whom the symptoms developed suddenly...
July 12, 2018: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/30006648/pituitary-gland-and-bone-involvement-of-langerhans-cell-histiocytosis-in-a-boy-and-brief-review-of-the-literature
#17
Chao Miao, Lei Zhang, Ming Sun, Chao Ma
A 3 years old boy was hospitalized with a month's history of polydipsia, polyuria and low fever. There was no relevant family history. This is a rare case of Langerhans cell histiocytosis (LCH) with both bone and pituitary infiltration shown on the technetium-99m methylene diphosphonate (99m Tc-MDP) scan and brain magnetic resonance imaging (MRI). Sagittal and coronal T1-weighted images on MRI showed the typical lack of high signal intensity of the posterior pituitary which corresponded to the central signs of diabetes insipidus (DI)...
July 12, 2018: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/30006643/t-based-tissue-segmentation-to-assess-knee-joint-inflammation-and-reactive-bone-formation-assessed-by-18-f-fdg-and-18-f-naf-pet-ct-effects-of-age-and-bmi
#18
Abdullah Al-Zaghal, Dani P Yellanki, Cyrus Ayubcha, Thomas J Werner, Poul F Høilund-Carlsen, Abass Alavi
OBJECTIVE: This study was conducted to determine the role of computed tomography (CT)-based segmentation methodology to semi-quantify the degree of inflammation and reactive bone formation in the knee joints by fluorine-18-fluorodeoxyglucose (18 F-FDG) and 18 F-sodium fluoride positron emission tomography/CT (18 F-NaF PET/CT) imaging, respectively. Furthermore, we assessed the impact of aging and body mass index (BMI) on these biological responses. SUBJECTS AND METHODS: In this retrospective study, we examined a total of 97 subjects who had undergone both 18 F-FDG and 18 F-NaF PET/CT scanning...
July 12, 2018: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/30006633/simple-physical-model-unravels-influences-of-chemokine-on-shape-deformation-and-migration-of-human-hematopoietic-stem-cells
#19
Takao Ohta, Cornelia Monzel, Alexandra S Becker, Anthony D Ho, Motomu Tanaka
We studied the dynamic behavior of human hematopoietic stem cells (HSC) on the in vitro model of bone marrow surfaces in the absence and presence of chemokine (SDF1α). The deformation and migration of cells were investigated by varying the chemokine concentration and surface density of ligand molecules. Since HSC used in this study were primary cells extracted from the human umbilical cord blood, it is not possible to introduce molecular reporter systems before or during the live cell imaging. To account for the experimental observations, we propose a simple and general theoretical model for cell crawling...
July 13, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30006628/in-vivo-mri-with-concurrent-excitation-and-acquisition-using-automated-active-analog-cancellation
#20
Ali Caglar Özen, Ergin Atalar, Jan G Korvink, Michael Bock
Magnetic resonance imaging (MRI) provides excellent cross-sectional images of the soft tissues in patients. Unfortunately, MRI is intrinsically slow, it exposes patients to severe acoustic noise levels, and is limited in the visualization of certain tissues such as bone. These limitations are partly caused by the timing structure of the MRI exam which first generates the MR signal by a strong radio-frequency excitation and later acquires the weak MRI signal. Concurrent excitation and acquisition (CEA) can overcome these limitations, but is extremely challenging due to the huge intensity difference between transmit and receive signal (up to 100 dB)...
July 13, 2018: Scientific Reports
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